WO2004097510A1 - ディスプレイ装置 - Google Patents

ディスプレイ装置 Download PDF

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Publication number
WO2004097510A1
WO2004097510A1 PCT/JP2003/005494 JP0305494W WO2004097510A1 WO 2004097510 A1 WO2004097510 A1 WO 2004097510A1 JP 0305494 W JP0305494 W JP 0305494W WO 2004097510 A1 WO2004097510 A1 WO 2004097510A1
Authority
WO
WIPO (PCT)
Prior art keywords
luminance sensor
display device
display
display surface
distance
Prior art date
Application number
PCT/JP2003/005494
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Hideki Hashidume
Shigeo Hayashi
Masao Hatanaka
Original Assignee
Totoku Electric Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Totoku Electric Co., Ltd. filed Critical Totoku Electric Co., Ltd.
Priority to JP2004571301A priority Critical patent/JP4142651B2/ja
Priority to EP03723231A priority patent/EP1619540A4/en
Priority to CNB038263734A priority patent/CN100374922C/zh
Priority to PCT/JP2003/005494 priority patent/WO2004097510A1/ja
Publication of WO2004097510A1 publication Critical patent/WO2004097510A1/ja
Priority to US11/254,487 priority patent/US20060055690A1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G06F1/1607—Arrangements to support accessories mechanically attached to the display housing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen

Definitions

  • the present invention relates to a display device, and more particularly, to a display device capable of accurately measuring the luminance of a display surface while suppressing the variation in the mounting position of a luminance sensor and the influence of external light.
  • a display device provided with a brightness sensor that measures the brightness of a display surface in order to automatically adjust the brightness of the display surface of the display device is known (for example, EP 1 274 066 A1). No.).
  • the brightness of the display surface could not be measured accurately due to the variation in the mounting position of the brightness sensor and the influence of external light.
  • an object of the present invention is to provide a display device that can accurately measure the luminance of a display surface while suppressing the variation in the mounting position of the luminance sensor and the influence of external light. Disclosure of the invention
  • the present invention provides a display unit having a display surface, a base portion directly attached to a frame of the display unit via a fixture or directly from a part of the base portion to the display surface.
  • a display device comprising: a mounting substrate having a protruding convex portion; and a luminance sensor provided on the convex portion and facing the display surface.
  • a gap of, for example, about 2 [mm] is provided between the display unit display surface and the display unit frame.
  • the thickness of the display unit frame is, for example, 0.5 [mm] to 2 [mm] in order to secure strength.
  • a mounting board is attached to the front surface (the surface facing the outside) of the frame of the display unit, and a thickness of 0.75 is attached to the rear surface (the surface facing the display surface) of the mounting substrate.
  • the distance from the display surface to the luminance sensor is, for example, 1.75 [mn! ] To 3.25 [mm].
  • this distance is too large, and variations in the mounting position of the luminance sensor and the influence of external light cannot be ignored.
  • a mounting board is attached to the front of the display unit frame, fine adjustment of the distance cannot be performed.
  • the distance can be finely adjusted depending on the degree of attachment of the fixture.
  • the distance is further increased, the influence of the fluctuation of the mounting position of the luminance sensor and the influence of external light are increased.
  • a mounting substrate having a protrusion protruding from a part of the base toward the display surface is used, and a luminance sensor is installed on the protrusion.
  • the mounting board is mounted via the mounting tool, fine adjustment of the distance is possible depending on the mounting condition of the mounting tool.
  • the present invention provides the display device having the above-described configuration, wherein the mounting substrate is a portion corresponding to the convex portion from a portion corresponding to the base portion.
  • the present invention provides a display device, characterized in that the substrate is a stepped substrate having a stepped thickness.
  • the overall dimensional accuracy can be improved.
  • the present invention provides the display device having the above configuration, wherein a distance z [mm] from the display surface to the luminance sensor is 0 z ⁇ 1.6. .
  • the present invention provides the display device having the above configuration, wherein the attachment is attached to a frame of the display unit, the attachment board is attached to a rear surface of the attachment, and the projection is provided on a projection of the attachment board.
  • a luminance sensor is installed, the distance from the display surface to the front of the frame is L1 [mm], the thickness of the luminance sensor is t [mm], and the thickness of the base of the mounting board is b [mm].
  • the distance from the display surface to the rear surface of the fixture is L 2 [mm] where L l + b ⁇ L 2, and the height d at which the protrusion projects from the base is L 2 — B—t—l. 6 ⁇ d L 2—b—t is provided.
  • the distance z from the display surface to the luminance sensor can be set to 1.6 [mm] or less, and as described later, variations in the mounting position of the luminance sensor and the influence of external light are suppressed. become able to.
  • the present invention provides the display device having the above configuration, wherein a distance Z [mm] from the display surface to the luminance sensor is 0 z ⁇ 1.
  • the distance Z from the display surface to the luminance sensor is set to 1 [mm] or less, thereby suppressing the variation in the mounting position of the luminance sensor and the influence of external light as described later. become able to.
  • the present invention provides the display device having the above configuration, wherein the attachment is attached to a frame of the display unit, the attachment board is attached to a rear surface of the attachment, and the projection is provided on the projection of the attachment board.
  • a luminance sensor is installed, the distance from the display surface to the front of the frame is L 1 [mm], the thickness of the luminance sensor is t [mm], and the thickness of the base of the mounting board is b [mm].
  • L 2 [mm] is L 1 + b L 2
  • the distance from the display surface to the rear surface of the mounting fixture, and the height at which the protrusion projects from the base d force L 2 -b — Provide a display device characterized by: t—l ⁇ d ⁇ L2—b—t.
  • the distance z from the display surface to the luminance sensor can be set to 1 [mm] or less, and as described later, it is possible to suppress variations in the mounting position of the luminance sensor and the effects of external light. Become.
  • the present invention provides the display device having the above configuration, wherein the sensitivity of the luminance sensor to light incident from the optical axis direction of the luminance sensor is 100%, A display device, wherein the sensitivity of the luminance sensor to incident light is 90% or more, and the sensitivity of the luminance sensor to light incident at 40 ° from the optical axis is 70% or more. I do.
  • the directivity of the luminance sensor is steep, it will be greatly affected by variations in the mounting position and external light.
  • a luminance sensor having a weak directivity is used, it is possible to suppress the variation in the mounting position and the influence of external light. Even if affected, it can be easily corrected.
  • FIG. 1 is a block diagram showing a circuit configuration of the liquid crystal display device (100) according to the first embodiment.
  • FIG. 2 is a front view showing the appearance of the liquid crystal display device (100) according to the first embodiment.
  • FIG. 3 is a front view showing the appearance of the liquid crystal display device (100) according to the first embodiment with the bezel (15) removed.
  • FIG. 4 is a main part front view showing a state where the mounting board (2 1) is mounted on the frame (1 2) via the mounting tool (30).
  • FIG. 5 is a side sectional view of a main part showing a state where the mounting board (21) is mounted on the frame (12) via the mounting tool (30).
  • FIG. 6 is a side view and a rear view showing the mounting board (21).
  • FIG. 7 is a graph showing an example of directivity characteristics of the luminance sensor (22).
  • FIG. 8 is a block diagram showing a configuration for measuring the mounting position of the luminance sensor (22) and the influence of external light.
  • FIG. 9 is a graph showing the measurement results when no external light is shielded.
  • FIG. 10 is a graph showing measurement results when external light is shielded.
  • Fig. 11 shows the difference between the measurement result of Fig. 9 and the measurement result of Fig. 10.
  • FIG. 2 is a diagram corresponding to FIG. 3 according to the second embodiment.
  • FIG. 13 is a diagram corresponding to FIG. 5 according to the second embodiment.
  • FIG. 14 is a diagram corresponding to FIG. 7 according to the third embodiment.
  • FIG. 15 is an explanatory diagram of the light receiving angle of the luminance sensor. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a block diagram showing a circuit configuration of a liquid crystal display device (100) according to the first embodiment.
  • This liquid crystal display device (100) comprises a display unit (10) composed of a liquid crystal panel (11) and a backlight (23), and a display surface (11a) of the liquid crystal panel (11).
  • the brightness sensor (22) facing the camera and the control circuit (2) that controls the brightness of the backlight (23) based on the brightness of the display surface (11a) measured by the brightness sensor (22) 4) is provided.
  • FIG. 2 is a front view showing the appearance of the liquid crystal display device (100).
  • the periphery of the display surface (11a) is covered with a bezel (15).
  • FIG. 3 is a front view showing a state where the bezel (15) has been removed from the liquid crystal display device (100).
  • the periphery of the display surface (11a) is covered with a frame (12).
  • a mounting board (2 1) is mounted on the frame (1 2) via a mounting (30).
  • the frame (1 2) and the attachment (30) are made of, for example, sheet metal.
  • the horizontal piece of the L-shaped fixture (30) is attached to the upper surface of the frame (12) with screws (31).
  • the vertical piece of (0) hangs down slightly in front of the display surface (1 1a).
  • the front surface of the base (21a) of the mounting substrate (21) is fixed to the rear surface of the vertical piece of the mounting device (30) with solder (32).
  • a chip-shaped brightness sensor (2 2) is installed on the projection (2 1b) of the mounting board (2 1), and the brightness sensor (2 2) faces the display surface (1 1a). .
  • the horizontal distance from the edge of the frame (1 2) to the center of the luminance sensor (2 2) is X [mm], and the vertical distance is y [mm].
  • the distance from the display surface (11a) to the front of the frame (12) is L1 [mm].
  • the distance to the rear surface of the vertical piece of (30) be L2 [mm].
  • the thickness of the base (21a) of the mounting board (21) is defined as b [mm]
  • the height of the protrusion (21b) protruding from the base (21a) is defined as d [mm].
  • the thickness of the luminance sensor (2 2) is t [mm].
  • the distance between the surface of the luminance sensor (22) and the display surface (11a) is z [mm].
  • the thickness of the solder (32) is L2 in calorie. That is, the value obtained by subtracting the thickness of the solder (32) from the actual distance from the display surface (11a) to the rear surface of the vertical piece of the fixture (30) is defined as L2 [mm].
  • L 1 and t have few degrees of freedom, it is desirable to design L 2, b and d in accordance with L 1 and t so as to obtain a desirable z.
  • L2 can be fine-tuned only by the gap between the screw hole (31) and the screw hole drilled in the mounting (30). Then, preferable z is set.
  • FIG. 6 is a side view and a rear view showing the mounting board (2 1) and the luminance sensor (2 2).
  • the mounting board (2 1) is a step board in which the protruding portion (2 1b) is thicker in steps than the base (2 1.a).
  • the optical axis (Ax) of the luminance sensor (22) is perpendicular to the surface of the luminance sensor (22) and passes through the center of the light receiving part (22a).
  • FIG. 7 is a graph showing the directivity of sensitivity of the luminance sensor (22).
  • the sensitivity to light incident from the optical axis (Ax) direction is 100%
  • the sensitivity to light incident at 20 ° from the optical axis (Ax) is 90% or more
  • the sensitivity to light incident at 40 ° from the optical axis (Ax) is 40%.
  • the sensitivity to incident light is 70% or more, and it has a very gentle directivity.
  • FIG. 8 is a block diagram showing a configuration for measuring the relationship between X, y and z and the relationship between external light and z shown in FIG.
  • the pack light (23) is driven at a constant brightness.
  • the display surface (11a) shall be entirely white.
  • FIG. 10 shows the second measurement result. Then, the difference between the first measurement result and the second measurement result was calculated, and the fluctuation of the influence of external light was examined. Fig. 11 shows the calculation results of the difference.
  • the rear surface of the base (21a) of the mounting board (21) is fixed to the front of the frame (12) with adhesive (40). Is also good.
  • the distance from the display surface (1 1 a) to the front surface of the frame (1 2) is L 1 [mm]
  • the distance from the base (2 1 a) of the mounting board (2 1) is The height at which the projection (2 1 b) protrudes is d [mm].
  • the thickness of the brightness sensor (22) is t [mm].
  • the distance between the surface of the luminance sensor (2 2) and the display surface (1 1a) is Z [mm].
  • the thickness of the adhesive (40) is added to L1. That is, L1 [mm] is the value obtained by adding the thickness of the adhesive (40) to the actual distance from the display surface (11a) to the front of the frame (12).
  • L l— t— l. 7 5 d d L 1—t is preferred, L 1 t 1—1.6 ⁇ d L 1 _t is more preferred, L l— t— l ⁇ d Most preferably, ⁇ L 1-t.
  • a luminance sensor (22) having a directivity of about 60% and a sensitivity of about 20% to light incident at 40 ° from the optical axis (Ax) may be used.
  • the fluctuation of the measured luminance value with respect to variations in X, y, and z becomes extremely large, and correction becomes difficult.
  • the directivity curve shown in Fig. 14 the change of the directivity curve becomes gentle above 40 °.
  • the distance z from the display surface (1 1a) to the luminance sensor (2 2) and the luminance measurement white pattern (lib) are set so that the light reception angle 0 is 40 ° or more. If the width W is determined, the fluctuation of the measured luminance value with respect to the variations in x, y, and z is reduced, and the amount of fluctuation can be calculated, and can be corrected by calculation.
  • the display device of the present invention can accurately measure the luminance of the display surface while suppressing the variation in the mounting position of the luminance sensor and the influence of external light, there have been fluctuations in the ambient temperature and aging of the display unit.
  • the brightness can be kept constant, which is useful for medical image diagnosis.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
PCT/JP2003/005494 2003-04-28 2003-04-28 ディスプレイ装置 WO2004097510A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004571301A JP4142651B2 (ja) 2003-04-28 2003-04-28 ディスプレイ装置
EP03723231A EP1619540A4 (en) 2003-04-28 2003-04-28 DISPLAY DEVICE
CNB038263734A CN100374922C (zh) 2003-04-28 2003-04-28 显示装置
PCT/JP2003/005494 WO2004097510A1 (ja) 2003-04-28 2003-04-28 ディスプレイ装置
US11/254,487 US20060055690A1 (en) 2003-04-28 2005-10-20 Display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/005494 WO2004097510A1 (ja) 2003-04-28 2003-04-28 ディスプレイ装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/254,487 Continuation US20060055690A1 (en) 2003-04-28 2005-10-20 Display device

Publications (1)

Publication Number Publication Date
WO2004097510A1 true WO2004097510A1 (ja) 2004-11-11

Family

ID=33398128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/005494 WO2004097510A1 (ja) 2003-04-28 2003-04-28 ディスプレイ装置

Country Status (5)

Country Link
US (1) US20060055690A1 (zh)
EP (1) EP1619540A4 (zh)
JP (1) JP4142651B2 (zh)
CN (1) CN100374922C (zh)
WO (1) WO2004097510A1 (zh)

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JP2007034209A (ja) * 2005-07-29 2007-02-08 Nanao Corp 液晶表示装置、輝度測定方法及びコンピュータプログラム
JP2011022226A (ja) * 2009-07-14 2011-02-03 Nanao Corp 光測定器のセンサユニット作動機構
WO2011021247A1 (ja) * 2009-08-20 2011-02-24 Ｎｅｃディスプレイソリューションズ株式会社 輝度センサ保持装置及び輝度センサ保持方法
WO2012160729A1 (ja) * 2011-05-20 2012-11-29 株式会社ナナオ 光センサユニット及び画像表示装置
US20150048236A1 (en) * 2013-08-13 2015-02-19 Quanta Computer Inc. Outer-hanging touch apparatus
US9396686B2 (en) 2012-01-04 2016-07-19 Nec Display Solutions, Ltd. Display device
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CN101373283B (zh) * 2007-08-20 2010-06-16 中强光电股份有限公司 光学感测模块及使用该光学感测模块的显示装置
TWI421482B (zh) 2008-12-02 2014-01-01 Chi Lin Technology Co Ltd 螢幕校正裝置與螢幕
EP2293284A1 (en) * 2009-08-27 2011-03-09 Sinitec Vertriebsgesellschaft mbH Display
JP4669558B1 (ja) * 2009-10-20 2011-04-13 株式会社ナナオ 表示装置、コンピュータプログラム、記録媒体及び画像表示方法
CN104460936B (zh) * 2013-09-24 2018-07-06 联想(北京)有限公司 一种控制的方法及一种电子设备
CN105334911A (zh) * 2014-06-26 2016-02-17 联想(北京)有限公司 一种电子设备
CN105913788A (zh) * 2016-06-06 2016-08-31 深圳市华星光电技术有限公司 一种液晶显示面板的侦测电路和侦测方法
CN107784932A (zh) * 2017-09-27 2018-03-09 苏州佳世达电通有限公司 显示装置

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Cited By (11)

* Cited by examiner, † Cited by third party
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JP2007034209A (ja) * 2005-07-29 2007-02-08 Nanao Corp 液晶表示装置、輝度測定方法及びコンピュータプログラム
JP2011022226A (ja) * 2009-07-14 2011-02-03 Nanao Corp 光測定器のセンサユニット作動機構
JP4734555B2 (ja) * 2009-07-14 2011-07-27 株式会社ナナオ センサユニット作動機構、光測定器及び画像表示装置
WO2011021247A1 (ja) * 2009-08-20 2011-02-24 Ｎｅｃディスプレイソリューションズ株式会社 輝度センサ保持装置及び輝度センサ保持方法
JP5448212B2 (ja) * 2009-08-20 2014-03-19 Ｎｅｃディスプレイソリューションズ株式会社 輝度センサ保持装置及び輝度センサ保持方法
WO2012160729A1 (ja) * 2011-05-20 2012-11-29 株式会社ナナオ 光センサユニット及び画像表示装置
JP2012242269A (ja) * 2011-05-20 2012-12-10 Nanao Corp 光センサユニット及び画像表示装置。
US9414514B2 (en) 2011-09-30 2016-08-09 Nec Display Solutions, Ltd. Display apparatus
US9396686B2 (en) 2012-01-04 2016-07-19 Nec Display Solutions, Ltd. Display device
US20150048236A1 (en) * 2013-08-13 2015-02-19 Quanta Computer Inc. Outer-hanging touch apparatus
US9200747B2 (en) * 2013-08-13 2015-12-01 Quanta Computer Inc. Outer-hanging touch apparatus

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US20060055690A1 (en) 2006-03-16
EP1619540A1 (en) 2006-01-25
JPWO2004097510A1 (ja) 2006-07-13
JP4142651B2 (ja) 2008-09-03
EP1619540A4 (en) 2006-08-30
CN100374922C (zh) 2008-03-12
CN1771458A (zh) 2006-05-10

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